Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Hinge Adjustment
NOTE: The door should be adjusted for even and parallel fit with the
body opening and surrounding
panels as well as making sure that the anti-chuck pin is not binding on
convertible models.
1. Remove the A-pillar lower trim panel.
2. Position the ...
Connecting Rod - Side Clearance
1. Measure the clearance between the connecting rod and the crankshaft.
Verify the measurement
is within specification.
Refer to the appropriate section in Group for the procedure.
If out of specification, install new components as necessary. Refer
...
Piston - Pin Diameter
1. Measure the piston pin diameter in two directions at the points shown.
Verify the diameter is
within specification.
Refer to the appropriate section in Group for the procedure.
If out of specification, install new components as necessary. Refer
...
